# All files / components/Select Select.js

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     import React from 'react';
    import PropTypes from 'prop-types';
    import LibSelect from 'react-select';
    import _ from 'lodash';
    import selectOptionPrimaryValue from '../../extensions/selectItemPrimaryValue';
    import Loader from '../Loader';
    import SelectWrapper from './styles/SelectWrapper';

    class Select extends React.PureComponent {
      static propTypes = {
        /**
         * Whether to blur the component upon selection
         */
        autoBlur: PropTypes.bool,
        /**
         * Whether to focus the component on mount
         */
        autoFocus: PropTypes.bool,
        /**
         * Whether to close the menu when a value is selected
         */
        closeOnSelect: PropTypes.bool,
        /**
         * Whether pressing backspace will clear a value.
         */
        deleteRemoves: PropTypes.bool,
        /**
         * delimiter to use to join multiple values for the hidden field value
         */
        delimiter: PropTypes.string,
        /**
         * method to filter a single option (option, filterString)
         */
        filterOption: PropTypes.func,
        /**
         * boolean to enable default filtering or function to filter the options array ([options], filterString, [values])
         */
        filterOptions: PropTypes.func,
        /**
         * whether to strip diacritics when filtering
         */
        ignoreAccents: PropTypes.bool,
        /**
         * whether to perform case-insensitive filtering
         */
        ignoreCase: PropTypes.bool,
        /**
         * custom attributes for the Input
         */
        inputProps: PropTypes.object,
        /**
         * controls whether the component renders in a loading state
         */
        isLoading: PropTypes.bool,
        /**
         * Enables multi-select mode
         */
        multi: PropTypes.bool,
        /**
         * The name to apply to the input field
         */
        name: PropTypes.string,
        /**
         * Handler for blur events on the input
         */
        onBlur: PropTypes.func,
        /**
         * Handler for closing the options list
         */
        onClose: PropTypes.func,
        /**
         * Handler for focus events on the input
         */
        onFocus: PropTypes.func,
        /**
         * Handles raw input change events
         */
        onInputChange: PropTypes.func,
        /**
         * Handles raw input key down events
         */
        onInputKeyDown: PropTypes.func,
        /**
         * Handler for opening the options list
         */
        onOpen: PropTypes.func,
        /**
         * Handler for when an option is selected (value, event) => {}
         */
        onValueClick: PropTypes.func,
        /**
         * Text or node to show if none is selected
         */
        placeholder: PropTypes.oneOfType([PropTypes.string, PropTypes.node]),
        /**
         * Adds a class name to the element.
         */
        className: PropTypes.string,
        /**
         * Adds an id to the element.
         */
        id: PropTypes.string,
        /**
         * Indicates whether the user can interact with this field.
         */
        disabled: PropTypes.bool,
        /**
         * Indicates whether this field is required for form submission. Non-required fields allow none.
         */
        required: PropTypes.bool,
        /**
         * Styles this field as being invalid
         */
        invalid: PropTypes.bool,
        /**
         * A list of selection options. Can be complex objects.
         */
        options: PropTypes.array.isRequired,
        /**
         * A function which takes an option and renders text for the select. Has
         * a sane default.
         */
        renderOption: PropTypes.func,
        /**
         * A function which takes an option and computes a single string value to
         * represent it. Has a sane default.
         */
        getOptionValue: PropTypes.func,
        /**
         * The currently selected value.
         */
        value: PropTypes.any,
        /**
         * Handler for change events on the select. It will be called with the new value
         * computed from getOptionValue.
         */
        onChange: PropTypes.func.isRequired,
        /**
         * Whether to enable searching to filter to the desired item.
         */
        searchable: PropTypes.bool,
        /**
         * Alias for isLoading
         */
        loading: PropTypes.bool,
        /**
         * DEPRECATED: use getOptionValue
         */
        selectOptionValue: PropTypes.func,
        /**
         * DEPRECATED: use required to prevent None, or omit it to allow None
         */
        allowNone: PropTypes.bool,
        /**
         * The text to use when no option is selected. If this value is not provided, the text will default to placeholder
         */
        noneText: PropTypes.string,
        /**
         * A component that wraps the library select component, letting you
         * change styles.
         */
        Wrapper: PropTypes.func,
      };

      static defaultProps = {
        className: null,
        id: null,
        disabled: false,
        required: false,
        allowNone: false,
        invalid: false,
        placeholder: 'Select one',
        renderOption: selectOptionPrimaryValue,
        getOptionValue: selectOptionPrimaryValue,
        searchable: false,
        Wrapper: SelectWrapper,
      };

      /**
       * Takes the options provided and converts them into
       * react-select options using user-provided conversion
       * functions to generate a displayed label and a backing value
       *
       * @memberof Select
       */
      convertOptions = () => {
        const {
          options,
          renderOption,
          getOptionValue,
          selectOptionValue,
        } = this.props;

        return options.map(opt => ({
          label: renderOption(opt),
          value: (getOptionValue || selectOptionValue)(opt),
        }));
      };

      /**
       * Intercepts the change event and calls the onChange prop
       * with the value alone.
       *
       * @memberof Select
       */
      handleChange = newValue => {
        if (!newValue) {
          this.props.onChange(newValue);
        } else if (this.props.multi) {
          this.props.onChange(newValue.map(item => item.value));
        } else {
          this.props.onChange(newValue.value);
        }
      };

      render() {
        const {
          required,
          placeholder,
          noneText,
          allowNone,
          isLoading,
          loading,
          invalid,
          value,
          Wrapper,
        } = this.props;
        const combinedLoading = loading || isLoading;
        const combinedPlaceholder = noneText !== undefined ? noneText : placeholder;

        return (
          <Wrapper invalid={invalid} value={value}>
            <LibSelect
              {...this.props}
              options={this.convertOptions()}
              onChange={this.handleChange}
              clearable={!required || allowNone}
              placeholder={
                combinedLoading ? <Loader size="14px" /> : combinedPlaceholder
              }
              isLoading={combinedLoading}
            />
          </Wrapper>
        );
      }
    }

    export default Select;